Ryzen 9 7950X3D vs EPYC 7663
Ryzen 9 7950X3D
EPYC 7663
Popular choices:
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Ryzen 9 7950X3D
Performance Per Dollar EPYC 7663
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7950X3D | EPYC 7663 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($486) | ⚠️ Higher cost ($6,366) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm, 6 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Ryzen 9 7950X3D | EPYC 7663 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+894%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($486) | ⚠️ Higher cost ($6,366) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Ryzen 9 7950X3D and EPYC 7663
Ryzen 9 7950X3D
The Ryzen 9 7950X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
EPYC 7663
The EPYC 7663 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 56 cores and 112 threads. Base frequency is 2 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 82,120 points. Launch price was $6,366.
Processing Power
The Ryzen 9 7950X3D packs 16 cores / 32 threads, while the EPYC 7663 offers 56 cores / 112 threads — the EPYC 7663 has 40 more cores. Boost clocks reach 5.7 GHz on the Ryzen 9 7950X3D versus 3.5 GHz on the EPYC 7663 — a 47.8% clock advantage for the Ryzen 9 7950X3D (base: 4.2 GHz vs 2 GHz). The Ryzen 9 7950X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm, 6 nm), while the EPYC 7663 uses Milan (2021−2023) (7 nm+). In PassMark, the Ryzen 9 7950X3D scores 62,323 against the EPYC 7663's 82,120 — a 27.4% lead for the EPYC 7663. Geekbench 6 single-core — the metric most relevant to gaming — records 2,926 vs 1,370, a 72.4% lead for the Ryzen 9 7950X3D that directly translates to higher frame rates. Multi-core Geekbench: 19,643 vs 12,380 (45.4% advantage for the Ryzen 9 7950X3D). L3 cache: 128 MB (total) on the Ryzen 9 7950X3D vs 256 MB (total) on the EPYC 7663.
| Feature | Ryzen 9 7950X3D | EPYC 7663 |
|---|---|---|
| Cores / Threads | 16 / 32 | 56 / 112+250% |
| Boost Clock | 5.7 GHz+63% | 3.5 GHz |
| Base Clock | 4.2 GHz+110% | 2 GHz |
| L3 Cache | 128 MB (total) | 256 MB (total)+100% |
| L2 Cache | 1 MB (per core)+100% | 512 kB (per core) |
| Process | 5 nm, 6 nm-29% | 7 nm+ |
| Architecture | Raphael (Zen4) (2022−2023) | Milan (2021−2023) |
| PassMark | 62,323 | 82,120+32% |
| Cinebench R23 Multi | 38,581 | — |
| Geekbench 6 Single | 2,926+114% | 1,370 |
| Geekbench 6 Multi | 19,643+59% | 12,380 |
Memory & Platform
The Ryzen 9 7950X3D uses the AM5 socket (PCIe 5.0), while the EPYC 7663 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 9 7950X3D versus DDR4-3200 on the EPYC 7663 — the Ryzen 9 7950X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7663 supports up to 4096 GB of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7950X3D) vs 8 (EPYC 7663). PCIe lanes: 28 (Ryzen 9 7950X3D) vs 128 (EPYC 7663) — the EPYC 7663 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D) and SP3 (EPYC 7663).
| Feature | Ryzen 9 7950X3D | EPYC 7663 |
|---|---|---|
| Socket | AM5 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5200+25% | DDR4-3200 |
| Max RAM Capacity | 128 GB | 4096 GB+3100% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 128+357% |
Advanced Features
Only the Ryzen 9 7950X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 7950X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen 9 7950X3D) vs AMD-V (EPYC 7663). The Ryzen 9 7950X3D includes integrated graphics (Radeon Graphics), while the EPYC 7663 requires a dedicated GPU. Primary use case: EPYC 7663 targets Server. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K; EPYC 7663 rivals Xeon Platinum 8380.
| Feature | Ryzen 9 7950X3D | EPYC 7663 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon Graphics | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | No |
| Virtualization | true | AMD-V |
| Target Use | — | Server |
Value Analysis
The Ryzen 9 7950X3D launched at $699 MSRP, while the EPYC 7663 debuted at $6366. At current prices ($486 vs $6366), the Ryzen 9 7950X3D is $5880 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 7950X3D delivers 128.2 pts/$ vs 12.9 pts/$ for the EPYC 7663 — making the Ryzen 9 7950X3D the 163.4% better value option.
| Feature | Ryzen 9 7950X3D | EPYC 7663 |
|---|---|---|
| MSRP | $699-89% | $6366 |
| Avg Price (30d) | $486-92% | $6366 |
| Performance per Dollar | 128.2+894% | 12.9 |
| Release Date | 2023 | 2021 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Ryzen 9 7950X3D and EPYC 7663
